  .syntax unified
  .cpu cortex-m4
  .fpu softvfp
  .thumb
  
.global  g_pfnVectors
.global  Default_Handler

/* start address for the initialization values of the .data section.
defined in linker script */
.word _sidata
/* start address for the .data section. defined in linker script */
.word _sdata
/* end address for the .data section. defined in linker script */
.word _edata
/* start address for the .bss section. defined in linker script */
.word _sbss
/* end address for the .bss section. defined in linker script */
.word _ebss

.section  .text.Reset_Handler
  .weak  Reset_Handler
  .type  Reset_Handler, %function
Reset_Handler:  

/* Copy the data segment initializers from flash to SRAM */  
  movs  r1, #0
  b  LoopCopyDataInit

CopyDataInit:
  ldr  r3, =_sidata
  ldr  r3, [r3, r1]
  str  r3, [r0, r1]
  adds  r1, r1, #4
    
LoopCopyDataInit:
  ldr  r0, =_sdata
  ldr  r3, =_edata
  adds  r2, r0, r1
  cmp  r2, r3
  bcc  CopyDataInit
  ldr  r2, =_sbss
  b  LoopFillZerobss
/* Zero fill the bss segment. */  
FillZerobss:
  movs  r3, #0
  str  r3, [r2], #4
    
LoopFillZerobss:
  ldr  r3, = _ebss
  cmp  r2, r3
  bcc  FillZerobss

/* Call the clock system initialization function.*/
  bl  SystemInit   
/* Call the application's entry point.*/
  bl  main
  bx  lr    
.size  Reset_Handler, .-Reset_Handler

/**
 * @brief  This is the code that gets called when the processor receives an 
 *         unexpected interrupt.  This simply enters an infinite loop, preserving
 *         the system state for examination by a debugger.
 * @param  None     
 * @retval None       
*/
    .section  .text.Default_Handler,"ax",%progbits
Default_Handler:
Infinite_Loop:
  b  Infinite_Loop
  .size  Default_Handler, .-Default_Handler
/******************************************************************************
*
* The minimal vector table for a Cortex M4. Note that the proper constructs
* must be placed on this to ensure that it ends up at physical address
* 0x0000.0000.
* 
*******************************************************************************/
   .section  .isr_vector,"a",%progbits
  .type  g_pfnVectors, %object
  .size  g_pfnVectors, .-g_pfnVectors

g_pfnVectors:
	.word   _estack                            /* Top of Stack */
	.word	Reset_Handler	 /* Reset Handler */
	.word	NMI_Handler	 /* NMI Handler */
	.word	HardFault_Handler	 /* Hard Fault Handler */
	.word	MemManage_Handler	 /* MPU Fault Handler */
	.word	BusFault_Handler	 /* Bus Fault Handler */
	.word	UsageFault_Handler	 /* Usage Fault Handler */
	.word	0	 /* Reserved */
	.word	0	 /* Reserved */
	.word	0	 /* Reserved */
	.word	0	 /* Reserved */
	.word	SVC_Handler	 /* SVCall Handler */
	.word	DebugMon_Handler	 /* Debug Monitor Handler */
	.word	0	 /* Reserved */
	.word	PendSV_Handler	 /* PendSV Handler */
	.word	SysTick_Handler	 /* SysTick Handler */
	.word	WWDGT_IRQHandler	 /* 16:Window Watchdog Timer */
	.word	LVD_IRQHandler	 /* 17:LVD through EXTI Line detect */
	.word	TAMPER_IRQHandler	 /* 18:Tamper through EXTI Line detect */
	.word	RTC_IRQHandler	 /* 19:RTC through EXTI Line */
	.word	FMC_IRQHandler	 /* 20:FMC */
	.word	RCU_CTC_IRQHandler	 /* 21:RCU and CTC */
	.word	EXTI0_IRQHandler	 /* 22:EXTI Line 0 */
	.word	EXTI1_IRQHandler	 /* 23:EXTI Line 1 */
	.word	EXTI2_IRQHandler	 /* 24:EXTI Line 2 */
	.word	EXTI3_IRQHandler	 /* 25:EXTI Line 3 */
	.word	EXTI4_IRQHandler	 /* 26:EXTI Line 4 */
	.word	DMA0_Channel0_IRQHandler	 /* 27:DMA0 Channel0 */
	.word	DMA0_Channel1_IRQHandler	 /* 28:DMA0 Channel1 */
	.word	DMA0_Channel2_IRQHandler	 /* 29:DMA0 Channel2 */
	.word	DMA0_Channel3_IRQHandler	 /* 30:DMA0 Channel3 */
	.word	DMA0_Channel4_IRQHandler	 /* 31:DMA0 Channel4 */
	.word	DMA0_Channel5_IRQHandler	 /* 32:DMA0 Channel5 */
	.word	DMA0_Channel6_IRQHandler	 /* 33:DMA0 Channel6 */
	.word	ADC0_1_IRQHandler	 /* 34:ADC0 and ADC1 */
	.word	USBD_HP_CAN0_TX_IRQHandler	 /* 35:USBD HP and CAN0 TX */
	.word	USBD_LP_CAN0_RX0_IRQHandler	 /* 36:USBD LP and CAN0 RX0 */
	.word	CAN0_RX1_IRQHandler	 /* 37:CAN0 RX1 */
	.word	CAN0_EWMC_IRQHandler	 /* 38:CAN0 EWMC */
	.word	EXTI5_9_IRQHandler	 /* 39:EXTI5 to EXTI9 */
	.word	TIMER0_BRK_IRQHandler	 /* 40:TIMER0 Break */
	.word	TIMER0_UP_IRQHandler	 /* 41:TIMER0 Update */
	.word	TIMER0_TRG_CMT_IRQHandler	 /* 42:TIMER0 Trigger and Commutation  */
	.word	TIMER0_Channel_IRQHandler	 /* 43:TIMER0 Channel Capture Compare */
	.word	TIMER1_IRQHandler	 /* 44:TIMER1 */
	.word	TIMER2_IRQHandler	 /* 45:TIMER2 */
	.word	TIMER3_IRQHandler	 /* 46:TIMER3 */
	.word	I2C0_EV_IRQHandler	 /* 47:I2C0 Event */
	.word	I2C0_ER_IRQHandler	 /* 48:I2C0 Error */
	.word	I2C1_EV_IRQHandler	 /* 49:I2C1 Event */
	.word	I2C1_ER_IRQHandler	 /* 50:I2C1 Error */
	.word	SPI0_IRQHandler	 /* 51:SPI0 */
	.word	SPI1_IRQHandler	 /* 52:SPI1 */
	.word	USART0_IRQHandler	 /* 53:USART0 */
	.word	USART1_IRQHandler	 /* 54:USART1 */
	.word	USART2_IRQHandler	 /* 55:USART2 */
	.word	EXTI10_15_IRQHandler	 /* 56:EXTI10 to EXTI15 */
	.word	RTC_Alarm_IRQHandler	 /* 57:RTC Alarm */
	.word	USBD_WKUP_IRQHandler	 /* 58:USBD Wakeup */
	.word	TIMER7_BRK_IRQHandler	 /* 59:TIMER7 Break  */
	.word	TIMER7_UP_IRQHandler	 /* 60:TIMER7 Update  */
	.word	TIMER7_TRG_CMT_IRQHandler	 /* 61:TIMER7 Trigger and Commutation */
	.word	TIMER7_Channel_IRQHandler	 /* 62:TIMER7 Channel Capture Compare */
	.word	ADC2_IRQHandler	 /* 63:ADC2 */
	.word	EXMC_IRQHandler	 /* 64:EXMC */
	.word	SDIO_IRQHandler	 /* 65:SDIO */
	.word	TIMER4_IRQHandler	 /* 66:TIMER4 */
	.word	SPI2_IRQHandler	 /* 67:SPI2 */
	.word	UART3_IRQHandler	 /* 68:UART3 */
	.word	UART4_IRQHandler	 /* 69:UART4 */
	.word	TIMER5_IRQHandler	 /* 70:TIMER5  */
	.word	TIMER6_IRQHandler	 /* 71:TIMER6 */
	.word	DMA1_Channel0_IRQHandler	 /* 72:DMA1 Channel0 */
	.word	DMA1_Channel1_IRQHandler	 /* 73:DMA1 Channel1 */
	.word	DMA1_Channel2_IRQHandler	 /* 74:DMA1 Channel2 */
	.word	DMA1_Channel3_4_IRQHandler	 /* 75:DMA1 Channel3 and Channel4 */

/*******************************************************************************
*
* Provide weak aliases for each Exception handler to the Default_Handler. 
* As they are weak aliases, any function with the same name will override 
* this definition.
*
*******************************************************************************/

.weak NMI_Handler
.thumb_set NMI_Handler,Default_Handler

.weak HardFault_Handler
.thumb_set HardFault_Handler,Default_Handler

.weak MemManage_Handler
.thumb_set MemManage_Handler,Default_Handler

.weak BusFault_Handler
.thumb_set BusFault_Handler,Default_Handler

.weak UsageFault_Handler
.thumb_set UsageFault_Handler,Default_Handler

.weak SVC_Handler
.thumb_set SVC_Handler,Default_Handler

.weak DebugMon_Handler
.thumb_set DebugMon_Handler,Default_Handler


.weak PendSV_Handler
.thumb_set PendSV_Handler,Default_Handler

.weak SysTick_Handler
.thumb_set SysTick_Handler,Default_Handler

.weak WWDGT_IRQHandler
.thumb_set WWDGT_IRQHandler,Default_Handler

.weak LVD_IRQHandler
.thumb_set LVD_IRQHandler,Default_Handler

.weak TAMPER_IRQHandler
.thumb_set TAMPER_IRQHandler,Default_Handler

.weak RTC_IRQHandler
.thumb_set RTC_IRQHandler,Default_Handler

.weak FMC_IRQHandler
.thumb_set FMC_IRQHandler,Default_Handler

.weak RCU_CTC_IRQHandler
.thumb_set RCU_CTC_IRQHandler,Default_Handler

.weak EXTI0_IRQHandler
.thumb_set EXTI0_IRQHandler,Default_Handler

.weak EXTI1_IRQHandler
.thumb_set EXTI1_IRQHandler,Default_Handler

.weak EXTI2_IRQHandler
.thumb_set EXTI2_IRQHandler,Default_Handler

.weak EXTI3_IRQHandler
.thumb_set EXTI3_IRQHandler,Default_Handler

.weak EXTI4_IRQHandler
.thumb_set EXTI4_IRQHandler,Default_Handler

.weak DMA0_Channel0_IRQHandler
.thumb_set DMA0_Channel0_IRQHandler,Default_Handler

.weak DMA0_Channel1_IRQHandler
.thumb_set DMA0_Channel1_IRQHandler,Default_Handler

.weak DMA0_Channel2_IRQHandler
.thumb_set DMA0_Channel2_IRQHandler,Default_Handler

.weak DMA0_Channel3_IRQHandler
.thumb_set DMA0_Channel3_IRQHandler,Default_Handler

.weak DMA0_Channel4_IRQHandler
.thumb_set DMA0_Channel4_IRQHandler,Default_Handler

.weak DMA0_Channel5_IRQHandler
.thumb_set DMA0_Channel5_IRQHandler,Default_Handler

.weak DMA0_Channel6_IRQHandler
.thumb_set DMA0_Channel6_IRQHandler,Default_Handler

.weak ADC0_1_IRQHandler
.thumb_set ADC0_1_IRQHandler,Default_Handler

.weak USBD_HP_CAN0_TX_IRQHandler
.thumb_set USBD_HP_CAN0_TX_IRQHandler,Default_Handler

.weak USBD_LP_CAN0_RX0_IRQHandler
.thumb_set USBD_LP_CAN0_RX0_IRQHandler,Default_Handler

.weak CAN0_RX1_IRQHandler
.thumb_set CAN0_RX1_IRQHandler,Default_Handler

.weak CAN0_EWMC_IRQHandler
.thumb_set CAN0_EWMC_IRQHandler,Default_Handler

.weak EXTI5_9_IRQHandler
.thumb_set EXTI5_9_IRQHandler,Default_Handler

.weak TIMER0_BRK_IRQHandler
.thumb_set TIMER0_BRK_IRQHandler,Default_Handler

.weak TIMER0_UP_IRQHandler
.thumb_set TIMER0_UP_IRQHandler,Default_Handler

.weak TIMER0_TRG_CMT_IRQHandler
.thumb_set TIMER0_TRG_CMT_IRQHandler,Default_Handler

.weak TIMER0_Channel_IRQHandler
.thumb_set TIMER0_Channel_IRQHandler,Default_Handler

.weak TIMER1_IRQHandler
.thumb_set TIMER1_IRQHandler,Default_Handler

.weak TIMER2_IRQHandler
.thumb_set TIMER2_IRQHandler,Default_Handler

.weak TIMER3_IRQHandler
.thumb_set TIMER3_IRQHandler,Default_Handler

.weak I2C0_EV_IRQHandler
.thumb_set I2C0_EV_IRQHandler,Default_Handler

.weak I2C0_ER_IRQHandler
.thumb_set I2C0_ER_IRQHandler,Default_Handler

.weak I2C1_EV_IRQHandler
.thumb_set I2C1_EV_IRQHandler,Default_Handler

.weak I2C1_ER_IRQHandler
.thumb_set I2C1_ER_IRQHandler,Default_Handler

.weak SPI0_IRQHandler
.thumb_set SPI0_IRQHandler,Default_Handler

.weak SPI1_IRQHandler
.thumb_set SPI1_IRQHandler,Default_Handler

.weak USART0_IRQHandler
.thumb_set USART0_IRQHandler,Default_Handler

.weak USART1_IRQHandler
.thumb_set USART1_IRQHandler,Default_Handler

.weak USART2_IRQHandler
.thumb_set USART2_IRQHandler,Default_Handler

.weak EXTI10_15_IRQHandler
.thumb_set EXTI10_15_IRQHandler,Default_Handler

.weak RTC_Alarm_IRQHandler
.thumb_set RTC_Alarm_IRQHandler,Default_Handler

.weak USBD_WKUP_IRQHandler
.thumb_set USBD_WKUP_IRQHandler,Default_Handler

.weak TIMER7_BRK_IRQHandler
.thumb_set TIMER7_BRK_IRQHandler,Default_Handler

.weak TIMER7_UP_IRQHandler
.thumb_set TIMER7_UP_IRQHandler,Default_Handler

.weak TIMER7_TRG_CMT_IRQHandler
.thumb_set TIMER7_TRG_CMT_IRQHandler,Default_Handler

.weak TIMER7_Channel_IRQHandler
.thumb_set TIMER7_Channel_IRQHandler,Default_Handler

.weak ADC2_IRQHandler
.thumb_set ADC2_IRQHandler,Default_Handler

.weak EXMC_IRQHandler
.thumb_set EXMC_IRQHandler,Default_Handler

.weak SDIO_IRQHandler
.thumb_set SDIO_IRQHandler,Default_Handler

.weak TIMER4_IRQHandler
.thumb_set TIMER4_IRQHandler,Default_Handler

.weak SPI2_IRQHandler
.thumb_set SPI2_IRQHandler,Default_Handler

.weak UART3_IRQHandler
.thumb_set UART3_IRQHandler,Default_Handler

.weak UART4_IRQHandler
.thumb_set UART4_IRQHandler,Default_Handler

.weak TIMER5_IRQHandler
.thumb_set TIMER5_IRQHandler,Default_Handler

.weak TIMER6_IRQHandler
.thumb_set TIMER6_IRQHandler,Default_Handler

.weak DMA1_Channel0_IRQHandler
.thumb_set DMA1_Channel0_IRQHandler,Default_Handler

.weak DMA1_Channel1_IRQHandler
.thumb_set DMA1_Channel1_IRQHandler,Default_Handler

.weak DMA1_Channel2_IRQHandler
.thumb_set DMA1_Channel2_IRQHandler,Default_Handler

.weak DMA1_Channel3_4_IRQHandler
.thumb_set DMA1_Channel3_4_IRQHandler,Default_Handler

